X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2Fsvgtiny_gradient.c;fp=src%2Fsvgtiny_gradient.c;h=e33002407be3fc73ed45ed219f3017623e3ab07b;hb=3d74422216e1513bf651352a130ad49b9605bbf2;hp=002c322a526262c6576d5fc631683bcd21e10912;hpb=f30bcdde419565d50974a288c816aad30a412683;p=libsvgtiny.git

diff --git a/src/svgtiny_gradient.c b/src/svgtiny_gradient.c
index 002c322..e330024 100644
--- a/src/svgtiny_gradient.c
+++ b/src/svgtiny_gradient.c
@@ -462,7 +462,13 @@ svgtiny_code svgtiny_add_path_linear_gradient(float *p, unsigned int n,
 				gradient_norm_squared;
 
 		/* determine steps from change in r */
-		steps = ceilf(fabsf(r1 - r0) / 0.05);
+
+		if(isnan(r0) || isnan(r1)) {
+			steps = 1;
+		} else {
+			steps = ceilf(fabsf(r1 - r0) / 0.05);
+		}
+
 		if (steps == 0)
 			steps = 1;
 		fprintf(stderr, "r0 %g, r1 %g, steps %i\n",